1 /* Install given floating-point control modes. SPARC version. 2 Copyright (C) 2016-2025 Free Software Foundation, Inc. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #include <fenv.h> 19 #include "fenv_private.h" 20 #include <fpu_control.h> 21 22 #define FPU_CONTROL_BITS 0xcfc00000UL 23 24 int fesetmode(const femode_t * modep)25fesetmode (const femode_t *modep) 26 { 27 femode_t fsr; 28 29 __fenv_stfsr (fsr); 30 fsr &= ~FPU_CONTROL_BITS; 31 if (modep == FE_DFL_MODE) 32 fsr |= _FPU_DEFAULT; 33 else 34 fsr |= *modep & FPU_CONTROL_BITS; 35 __fenv_ldfsr (fsr); 36 37 return 0; 38 } 39